Compare 743 vs 839
| Property | 743 | 839 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 7431 | 8391 |
| Prime factorization | 743 | 839 |
| Divisors count | 2 | 2 |
| Divisors | 1, 743 | 1, 839 |
| Number of properties | 8 | 4 |
| Chen primes | 89th | 100th |
| Cousin primes (2nd member) | 31st | |
| Emirps | 25th | |
| Isolated primes | 73rd | 81st |
| Left-truncatable primes | 43rd | |
| Long primes | 48th | |
| Primes | 132nd | 146th |
| Safe primes | 22nd | |
| Sophie germain primes | 33rd | |
| Roman numberals | DCCXLIII | DCCCXXXIX |
| Base 2 | 10111001112 | 11010001112 |
| Base 3 | 10001123 | 10110023 |
| Base 4 | 232134 | 310134 |
| Base 5 | 104335 | 113245 |
| Base 6 | 32356 | 35156 |
| Base 7 | 21117 | 23067 |
| Base 8 | 13478 | 15078 |
| Base 9 | 10159 | 11329 |
| Base 10 | 74310 | 83910 |
| Base 11 | 61611 | 6a311 |
| Base 12 | 51b12 | 59b12 |
| Base 13 | 45213 | 4c713 |
| Base 14 | 3b114 | 43d14 |
| Base 15 | 34815 | 3ae15 |
| Base 16 | 2e716 | 34716 |